What is the Greatest Common Factor of 86721 and 86739?

Greatest common factor (GCF) of 86721 and 86739 is 3.

GCF(86721,86739) = 3

We will now calculate the prime factors of 86721 and 86739, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86721 and 86739.

How to find the GCF of 86721 and 86739?

We will first find the prime factorization of 86721 and 86739. After we will calculate the factors of 86721 and 86739 and find the biggest common factor number .

Step-1: Prime Factorization of 86721

Prime factors of 86721 are 3, 137, 211. Prime factorization of 86721 in exponential form is:

86721 = 3¹ × 137¹ × 211¹

Step-2: Prime Factorization of 86739

Prime factors of 86739 are 3, 29, 997. Prime factorization of 86739 in exponential form is:

86739 = 3¹ × 29¹ × 997¹

Step-3: Factors of 86721

List of positive integer factors of 86721 that divides 86721 without a remainder.

1, 3, 137, 211, 411, 633, 28907

Step-4: Factors of 86739

List of positive integer factors of 86739 that divides 86721 without a remainder.

1, 3, 29, 87, 997, 2991, 28913

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86721 and 86739. The biggest common factor number is the GCF number.
So the greatest common factor 86721 and 86739 is 3.

Also check out the Least Common Multiple of 86721 and 86739